Changes

:Here is a link to the computer lab power-up YouTube video for reference: [http://www.youtube.com/watch?v=CTE0e_hH3tE http://www.youtube.com/watch?v=CTE0e_hH3tE]

:'''WARNING: Sometimes confusion occurs when the user moves the touch-pad, bu there is no movement of the mouse pointer on the screen. It is recommended to first press a key (such as SHIFT), then move the touch-pad, and you will immediately notice movement. Use this same procedure in case of several minutes of keyboard inactivity...'''